| APA | IYU. (2012, February 13). In Acronym Geek. Retrieved 21:12, February 13, 2012, from http://www.acronymgeek.com/IYU |
| MLA | "IYU." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/IYU>. |
| MHRA | 'IYU', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/IYU> [accessed 13 February 2012] |
| Chicago | "IYU", http://www.acronymgeek.com/IYU (accessed February 13, 2012). |
| CBE/CSE | IYU [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/IYU. |
| Bluebook | IYU, http://www.acronymgeek.com/IYU (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IYU, http://www.acronymgeek.com/IYU (optional description here) (as of Feb. 13, 2012, 21:12). |
| AMA | IYU. Acronym Geek. February 13, 2012, 21:12. Available at: http://www.acronymgeek.com/IYU. Accessed February 13, 2012, 21:12. |